DDL execute too slow when failed.

[Defined2014]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

create table t ( obj json, arr json, nil json, t json, f json, i json, ui json, f64 json, str json, nul json );
insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '20200826173501', '20201123', '20200826173501.123456', '\"2020-08-26 17:35:01.123456\"', null);
alter table t modify obj datetime;

2. What did you expect to see? (Required)

return error directly.

3. What did you see instead (Required)

Sleep 1s, then return error.

4. What is your TiDB version? (Required)

+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| tidb_version()                                                                                                                                                                                                                                                             |
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Release Version: v7.4.0-alpha-483-g9f4792b07c
Edition: Community
Git Commit Hash: 9f4792b07cc7c75f57653f691f3b1f115ff081b8
Git Branch: move-util
UTC Build Time: 2023-09-22 07:21:00
GoVersion: go1.21.0
Race Enabled: false
Check Table Before Drop: true
Store: unistore |
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.01 sec)